0. Specification Grid                                    
                                    
                                        
                                            1 Lessons                                        
                                        
                                             8m                                        
                                    
                                 
                                
                                                    
                        
                            2. Specification Grid
                        
                        
                         8 Minutes                        
                                                    
                                Free
                            
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-1 Measurement                                    
                                    
                                        
                                            15 Lessons                                        
                                        
                                             1h 58m                                        
                                    
                                 
                                
                                                    
                        
                            1. Measurement(Introduction)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            2. Importance of measurement
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            3. Physical quantities, Fundamental and derived quantities
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            4. Units
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            5. Standard system of units
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            6. Fundamental and derivied units
                        
                        
                        15 Minutes                        
                                            
                                    
                        
                            7. Measurement of mass
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            8. One standard kilogram
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            9. Measurement of weight
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            10. Question 1 (Measurement of weight)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            11. Measurement of time
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            12. Mean solar day and One standard second
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            13. Question 2 (Measurement of time)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            14. Orders of 10
                        
                        
                        12 Minutes                        
                                            
                                    
                        
                            15. Question 3 ( Orders of 10)
                        
                        
                         3 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-2 Velocity and Acceleration                                    
                                    
                                        
                                            29 Lessons                                        
                                        
                                             3h 56m                                        
                                    
                                 
                                
                                                    
                        
                            1. Rest and Motion
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            2. Vectors and Scalars
                        
                        
                        13 Minutes                        
                                            
                                    
                        
                            3. Velocity
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            4. Example 1 (Velocity)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            5. Example 2 (Velocity)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            6. Uniform Velocity and non-uniform velocity
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            7. Average Velocity
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            8. Example 1 (Average Velocity)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            9. Example 2 (Average Velocity)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            10. Relative velocity
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            11. Relative velocity of an object w.r.t an object travelling in the same direction
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            12. Relative velocity of an object w.r.t an object travelling in the opposite direction
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            13. Example 1 (Relative velocity)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            14. Example 2 (Relative velocity)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            15. Acceleration
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            16. Example 1 (Acceleration)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            17. Example 2 (Acceleration)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            18. Example 3 (Acceleration)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            19. Use of graphs in Physics
                        
                        
                        19 Minutes                        
                                            
                                    
                        
                            20. Equations of Motion (First equation)
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            21. Equations of Motion (Second equation)
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            22. Equations of Motion (Third equation)
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            23. Equations of Motion (Fourth equation)
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            24. Equation of motion under Gravity
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            25. Example 1 (Equations of motion)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            26. HOW TALL IS THE BUILDING(put question mark here) Example 2 (Equations of motion)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            27. RETARDATION Example 3 (Equations of motion)
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            28. SAVE THE KID! Example 4 (Equations of motion)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            29. HOW FAST CAN YOU THROW(put question mark here) Example 5 (Equations of motion)
                        
                        
                        10 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-3 Simple machines                                    
                                    
                                        
                                            22 Lessons                                        
                                        
                                             2h 14m                                        
                                    
                                 
                                
                                                    
                        
                            1. Introduction to Simple machines
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            2. Application of Simple machines
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            3. Lever
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            4. First class lever
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            5. Second class lever
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            6. Third class lever
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            7. Principle of Ideal simple machine
                        
                        
                        18 Minutes                        
                                            
                                    
                        
                            8. Problem 1 (Simple machine)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            9. Problem 2 (Simple machine)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            10. Problem 3 (Simple machine)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            11. Mechanical advantage
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            12. Problem 1 (Mechanical advantage)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            13. Problem 2 (Mechanical advantage)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            14. Problem 3 (Mechanical advantage)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            15. Velocity ratio
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            16. Problem 1 (Velocity ratio)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            17. Problem 2 (Velocity ratio)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            18. Efficiency
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            19. Example 1 (Efficiency)
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            20. Relation among MA, VR and efficiency-
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            21. Example 1 (Relation among MA, VR and efficiency)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            22. Example 2 (Relation among MA, VR and efficiency)
                        
                        
                         9 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-4 Pressure                                    
                                    
                                        
                                            22 Lessons                                        
                                        
                                             2h 38m                                        
                                    
                                 
                                
                                                    
                        
                            1. Pressure
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            2. Example 1 (Pressure)
                        
                        
                        13 Minutes                        
                                            
                                    
                        
                            3. Example 2 (Pressure)
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            4. Atmospheric pressure
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Activities to prove Atmospheric pressure
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            6. Mercury Barometer
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            7. Why is water not used in a barometer(put qustion mark here)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            8. Properties of air
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            9. Importance of Atmospheric pressure
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            10. Liquid Pressure
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            11. Characteristics of liquids (part 1)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            12. Characteristics of liquids (part 2)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            13. Liquid Pressure
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            14. Example 1 (Liquid Pressure)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            15. Example 2 (Liquid Pressure)
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            16. Mathematical Reason behind why is water not used in a barometer(put qustion mark here)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            17. Density
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            18. Example 1 (Density)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            19. Example 2 (Density)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            20. Relative density
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            21. Example 1 (Relative density)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            22. Sinking and floating
                        
                        
                         5 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-5 Energy, Work and Power                                    
                                    
                                        
                                            28 Lessons                                        
                                        
                                             2h 34m                                        
                                    
                                 
                                
                                                    
                        
                            1. Energy
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            2. Mechanical energy (Kinetic energy)
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            3. Mechanical energy (Potential energy)
                        
                        
                        13 Minutes                        
                                            
                                    
                        
                            4. Example 1 (Mechanical Energy)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Example 2 (Mechanical Energy)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            6. Example 3 (Mechanical Energy)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            7. Example 4 (Mechanical Energy)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            8. Electrical Energy
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            9. Heat Energy
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            10. Light Energy
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            11. Sound Energy
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            12. Magnetic Energy
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            13. Chemical Energy
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            14. Nuclear Energy
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            15. Transformation of energy
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            16. Work
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            17. What is one joule work(put question mark here)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            18. Types of work (Work done against friction)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            19. Example 1 (Work done against friction)
                        
                        
                         1 Minutes                        
                                            
                                    
                        
                            20. Work Done Against Gravity
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            21. Example 1 (Work done againt gravity)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            22. Example 2 (Work done againt gravity)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            23. Power
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            24. What is one watt power(Put questuion mark here)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            25. Example 1 (Power)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            26. Example 2 (Power)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            27. Example 3 (Power)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            28. Interrelation between work, energy and power-
                        
                        
                         4 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-6 Heat                                    
                                    
                                        
                                            19 Lessons                                        
                                        
                                             1h 53m                                        
                                    
                                 
                                
                                                    
                        
                            1. Heat
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            2. Units of heat
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            3. Temperature
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            4. Relation between Heat and Temperature
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            5. Thermometer
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            6. Liquid thermometer (Mercury as a thermometric liquid)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            7. Alcohol as a thermometric liquid
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            8. Why is water not used as a thermometric liquid(put question mark here)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            9. Construction of a liquid thermometer
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            10. Temperature scales (Centigrade Scale)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            11. Fahrenheit Scale
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            12. Kelvin Scale
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            13. Relation between different temperature scales
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            14. Lets Construct a Temperature Scale (Mero Degree)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            15. Examle 1 (Conversion between temperature scales)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            16. Examle 2 (Conversion between temperature scales)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            17. Examle 3 (Conversion between temperature scales)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            18. Types of liquid thermometer (Clinical Thermometer)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            19. Laboratory Thermometer
                        
                        
                         4 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-7 Light                                    
                                    
                                        
                                            29 Lessons                                        
                                        
                                             3h 30m                                        
                                    
                                 
                                
                                                    
                        
                            1. Introduction to light
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            2. Ray and beam of light
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            3. Real and virtual image
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            4. Mirror
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            5. Characteristics of Image formed by a Plane mirror
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            6. Uses of Plane mirror
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            7. Spherical mirror
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            8. Some terms associated to spherical mirror (part 1)
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            9. Some terms associated to spherical mirror (part 2)
                        
                        
                        14 Minutes                        
                                            
                                    
                        
                            10. Rules for construction of ray diagrams in a Concave mirror
                        
                        
                        18 Minutes                        
                                            
                                    
                        
                            11. Characteristics of image formed in a concave mirror when object is at infinity-
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            12. Characteristics of image formed in a concave mirror when object is beyond 2F-
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            13. Characteristics of image formed in a concave mirror when object is at 2F
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            14. Characteristics of image formed in a concave mirror when object is between F and 2F-
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            15. Characteristics of image formed in a concave mirror when object is at F-
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            16. Characteristics of image formed in a concave mirror when object is between F and O-
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            17. Rules for construction of ray diagrams in a Convex mirror
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            18. Characteristics of image formed in a convex mirror when object is at infinity-
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            19. Characteristics of image formed in a convex mirror when object is at any point infront of mirror
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            20. Use of Concave Mirror
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            21. Use of Convex Mirror
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            22. Difference between concave and convx mirrors
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            23. Refraction of light
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            24. Optical medium
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            25. Laws of refraction of light (Part 1)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            26. Laws of refraction of light (Part 2)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            27. Example 1 (Refraction of light)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            28. Example 2 (Refraction of light)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            29. Effects of refraction
                        
                        
                         9 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-8 Sound                                    
                                    
                                        
                                            12 Lessons                                        
                                        
                                             1h 14m                                        
                                    
                                 
                                
                                                    
                        
                            1. Introduction to sound
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            2. Sound wave
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            3. Some terms related to sound wave
                        
                        
                        16 Minutes                        
                                            
                                    
                        
                            4. Problem 1 (Velocity of Sound)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            5. Problem 2 (Velocity of Sound)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            6. Nature of Sound
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            7. Speed of sound in different media
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            8. Refraction of sound
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            9. Echo
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            10. Reverberation
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            11. Problem 1 (Echo)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            12. Problem 2 (Echo)
                        
                        
                         3 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-9 Magnetism                                    
                                    
                                        
                                            8 Lessons                                        
                                        
                                             1h  1m                                        
                                    
                                 
                                
                                                    
                        
                            1. Magnetism
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            2. Properties of Magnets (Part-1)
                        
                        
                        15 Minutes                        
                                            
                                    
                        
                            3. Properties of Magnets (Part-2)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            4. Molecular theory of magnetism
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            5. Evidence of molecular theory of magnetism
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            6. Magnetic Induction
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            7. Demagnetization
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            8. Measures of conserving Magnetic strength
                        
                        
                         1 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-10 Electricity                                    
                                    
                                        
                                            13 Lessons                                        
                                        
                                             1h 27m                                        
                                    
                                 
                                
                                                    
                        
                            1. Electricity
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            2. Electric Charges
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            3. Method of charging bodies
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            4. Types of electricity
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            5. Sources of electricity
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            6. Working method of a Simple cell
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            7. Defects in Simple cell
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            8. Dry cell
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            9. Working of dry cell
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            10. Dynamo
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            11. Domestic wiring
                        
                        
                        15 Minutes                        
                                            
                                    
                        
                            12. Some devices of domestic wiring (part 1)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            13. Some devices of domestic wiring (part 2)
                        
                        
                         4 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-11 Matter                                    
                                    
                                        
                                            34 Lessons                                        
                                        
                                             4h 41m                                        
                                    
                                 
                                
                                                    
                        
                            1. Matter
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            2. Elements
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            3. Metals, nonmetals and metalloids
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            4. Compounds
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            5. Molecules
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            6. Atom
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            7. Sub-atomic particles
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            8. Atomic mass unit
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            9. Electric charge
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            10. Importance of atom
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            11. Atomic number
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            12. Molecula Weight
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            13. Atomic mass
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            14. Atomic number and mass of first 20 elements
                        
                        
                        14 Minutes                        
                                            
                                    
                        
                            15. Electronic configuration of an atom
                        
                        
                        15 Minutes                        
                                            
                                    
                        
                            16. Radicals
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            17. Valency
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            18. Valency of electropositive radicals
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            19. Valency of electronegative radicals
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            20. Molecular formula of Elements
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            21. Molecular formula of compounds
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            22. Imformation given by a molecular formula
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            23. Steps of writing molecular formula of compounds
                        
                        
                        19 Minutes                        
                                            
                                    
                        
                            24. Word equation
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            25. Chemical equation
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            26. Some clues for balancing chemical equation
                        
                        
                        21 Minutes                        
                                            
                                    
                        
                            27. Common names and molecular formula of some substances
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            28. Classification of elements (put colon here) Periodic table-
                        
                        
                        14 Minutes                        
                                            
                                    
                        
                            29. Demerits of Mendeleev's Periodic table
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            30. Modern periodic table
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            31. Periods
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            32. Groups
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            33. Improvements in Modern periodic table over Mendeleev's Table
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            34. Importance of Modern Periodic table
                        
                        
                         4 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-12 Mixture                                    
                                    
                                        
                                            7 Lessons                                        
                                        
                                            38m                                        
                                    
                                 
                                
                                                    
                        
                            1. Introduction to Mixture
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            2. Distillation
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            3. Fractional Distillation
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            4. Uses of fractional distillation
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Chromatography (Paper Chromatography)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            6. Chromatography (Adsorption Chromatography)_1
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            7. Application of chromatography
                        
                        
                         3 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-13 Metals, non-metals and metalloids                                    
                                    
                                        
                                            23 Lessons                                        
                                        
                                             1h 44m                                        
                                    
                                 
                                
                                                    
                        
                            1. Metals, non-metals and metalloids
                        
                        
                        12 Minutes                        
                                            
                                    
                        
                            2. Position of metals, nonmetals and metalloids in the modern periodic table
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            3. Aluminium
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            4. Properties of aluminium
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            5. Uses of aluminium
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            6. Iron
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            7. Properties of iron
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            8. Uses of iron
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            9. Copper
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            10. Properties of copper
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            11. Uses of copper
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            12. Silver
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            13. Properties of silver
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            14. Uses of silver
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            15. Gold
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            16. Properties of gold
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            17. Uses of gold
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            18. Silicon
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            19. Properties of silicon
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            20. Uses of silicon
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            21. Sulphur
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            22. Properties of sulphur
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            23. Uses of sulphur
                        
                        
                         3 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-14 Acid,base and salt                                    
                                    
                                        
                                            18 Lessons                                        
                                        
                                             1h 40m                                        
                                    
                                 
                                
                                                    
                        
                            1. Acid, Base and Salt
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            2. Indicator
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            3. Indicator and their color change
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            4. Acid
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Types of Acid
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            6. Properties of acid
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            7. Uses of Acids
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            8. Base
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            9. Physical Properties of Base
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            10.Chemical Properties of base
                        
                        
                        13 Minutes                        
                                            
                                    
                        
                            11. Uses of base
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            12.Salt
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            13.Types of salt
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            14.Physical Properties of Salt
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            15.Uses of Salt
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            16.Universal Indicator
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            17.pH and pH scale
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            18.pH meter
                        
                        
                         1 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-15 Some useful chemicals                                    
                                    
                                        
                                            10 Lessons                                        
                                        
                                            56m                                        
                                    
                                 
                                
                                                    
                        
                            1. Some useful Chemicals
                        
                        
                         1 Minutes                        
                                            
                                    
                        
                            2. Sodium carbonate
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            3. Sodium bicarbonate
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            4. Glycerol
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            5. Water and its physical properties
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            6. Chemical properties of water
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            7. Hard water and soft water
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            8. Temporary hardness and its removal (Types of hardness of water)
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            9. Permanent hardness and its removal (Types of hardness of water)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            10. Permutits Process
                        
                        
                         8 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-16 Living Beings                                    
                                    
                                        
                                            29 Lessons                                        
                                        
                                             3h  0m                                        
                                    
                                 
                                
                                                    
                        
                            1. Living Beings
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            2. Micro organisms
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            3. Viruses
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            4. Classification of Viruses
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            5. Bacteria
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            6. Types of bacteria
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            7. Structure of bacteria
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            8. Economic importance of bacteria
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            9. Fungi
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            10. Economic importance of fungi
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            11. Modification in different parts of plants
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            12. Modification of roots
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            13. Modification of roots (For mechanical support)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            14. Modification of roots for other vital functions
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            15. Modification of underground stem
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            16. Modification of sun-aerial stem
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            17. Modification of aerial stem
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            18. Modification of leaves
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            19. Life cycle of a flowering plant
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            20. Flower
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            21. Calyx and Corolla
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            22. Androecium and Gynoecium
                        
                        
                        18 Minutes                        
                                            
                                    
                        
                            23. Pollination
                        
                        
                         9 Minutes                        
                                            
                                    
                        
                            24. Fertilization
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            25. Seed
                        
                        
                        12 Minutes                        
                                            
                                    
                        
                            26. Functions of seeds
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            27. Dispersal of seeds (By air and water)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            28. Dispersal of seed (By explosion of fruits and by animals)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            29. Germination of seed
                        
                        
                         6 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-17 Cell and Tissue                                    
                                    
                                        
                                            18 Lessons                                        
                                        
                                             1h 23m                                        
                                    
                                 
                                
                                                    
                        
                            1. Cell
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            2. Tissue
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            3. Muscular tissue
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            4. Connective tissue
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            5. Nervous tissue
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            6. Epithelial tissue
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            7. Function of epithelial tissues
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            8. Types of epithelial tissues (Squamous epithelium explained)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            9. Cuboidal epithelium
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            10. Columnar epithelium
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            11. Cilliated and glandular epithelium
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            12. Stratified epithelium
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            13. Plant tissue
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            14. Apical meristem
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            15. Lateral meristem and Intercalary meristem
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            16. Permanent tissue
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            17. Interrelationship between cell, tissue and organ in human body
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            18. Body systems, component organs, tissues and their functions
                        
                        
                         9 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-18 life Cycle                                    
                                    
                                        
                                            25 Lessons                                        
                                        
                                             2h  7m                                        
                                    
                                 
                                
                                                    
                        
                            1. Life processes
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            2. Fission
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            3. Budding
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            4. Fragmentation and regenration
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Sporulation
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            6. Vegetative Propagation
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            7. Advantages of asexual reproduction
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            8. Sexual reproduction
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            9. Sexual reproduction in plants
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            10. Sexual reproduction in animals
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            11 Significance of sexual reproduction
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            12. Internal Transformation-
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            13. Blood Circulatory system
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            14. Blood and its components
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            15. Plasma
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            16. Blood corpuscles
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            17. White blood corpuscles
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            18. Blood platelets
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            19. Functions of blood
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            20. The Heart
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            21. Internal Structure of heart
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            22. Working of heart
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            23. Blood vessels
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            24. Photosynthesis
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            25. Essential raw materials and condition for photosynthesis
                        
                        
                         6 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-19 Structure of the earth                                    
                                    
                                        
                                            11 Lessons                                        
                                        
                                            56m                                        
                                    
                                 
                                
                                                    
                        
                            1. Minerals
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            2. Types of minerals
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            3. Characteristics of minerals
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            4. Uses of minerals
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            5. Some minerals found in Nepal
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            6. Soil
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            7. Formation of soil
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            8. Composition of soil
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            9. Soil profile
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            10. Erosion and Deposition
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            11. Soil conservation
                        
                        
                         7 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-20 Weather and Climate                                    
                                    
                                        
                                            11 Lessons                                        
                                        
                                            55m                                        
                                    
                                 
                                
                                                    
                        
                            1. Introduction to weather and climate
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            2. Different types of climate according to temperature
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            3. Different climatic zones according to nature of rainfall
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            4. Factors effecting climate(Distance from equator)
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            5. Factors effecting climate(Altitude)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            6. Factors effecting climate(Distance from sea)
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            7. Climate of Nepal
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            8. Monsoon
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            9. Effects of monsoon(Advantages)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            10. Effects of monsoon(Disadvantages)
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            11. Measures of minimizing the adverse effects of monsoon
                        
                        
                         2 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-21 The Earth and Space                                    
                                    
                                        
                                            9 Lessons                                        
                                        
                                             1h 17m                                        
                                    
                                 
                                
                                                    
                        
                            1. Origin of the Earth (Planetesimal Hypothesis)
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            2. Nebular Hypothesis
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            3. Tidal Hypothesis
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            4. Dust-cloud Hypothesis
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            5. Origin of life on the Earth
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            6. Causes of origin of life on the Earth
                        
                        
                         8 Minutes                        
                                            
                                    
                        
                            7. Change in the position of the Sun and the Earth
                        
                        
                        13 Minutes                        
                                            
                                    
                        
                            8. Effects of change in position of the Earth around the Sun
                        
                        
                        11 Minutes                        
                                            
                                    
                        
                            9. Phases of Moon
                        
                        
                        14 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-22 Environment and its Balance                                    
                                    
                                        
                                            31 Lessons                                        
                                        
                                             2h  1m                                        
                                    
                                 
                                
                                                    
                        
                            1. Natural resources and human dependency
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            2. Different natural resources
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            3. Wildlife Conservation in Nepal
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            4. Sagarmatha National park
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            5. Langtang National park
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            6. Rara National park
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            7. Bardiya National park
                        
                        
                         1 Minutes                        
                                            
                                    
                        
                            8. Shey-Phoksundo National Park
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            9. Khapad national park
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            10. Makalu-Barun National park and conservation area
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            11. Shivpuri-Nagarjun National park
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            12. Banke National park
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            13. Shuklaphanta
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            14. Koshi Tappu wild life reserve
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            15. Parsa wildlife reserve
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            16. Dhorpatan
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            17. Conservation areas (Annapurna Conservation area)
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            18. Kanchenjunga Conservation area
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            19. Manaslu Conservation area
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            20. Krishnasaar conservatioon area
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            21. Gaurishankar conservation area
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            22. Api-Nampa Conservation area
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            23. Forests of Nepal
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            24. Importance and necessity of forest
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            25. Forest products
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            26. Medicinal plants
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            27. Protected forest products of Nepal
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            28. Some rare animals of Nepal
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            29. One horned rhinoceros and Bengal tiger-
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            30. Asiatic elephant and Red panda
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            31. Asiatic rock python and Giant pied Hornbill
                        
                        
                         5 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-23 Environmental Degradation and its Consevation                                    
                                    
                                        
                                            36 Lessons                                        
                                        
                                             2h 42m                                        
                                    
                                 
                                
                                                    
                        
                            1. Effects of human activities on the environment
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            2. Environmental pollution
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            3. Causes of air pollution
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            4. Effects of air pollution
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Water pollution
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            6. Causes of water pollution
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            7. Effects of water pollution
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            8. Soil pollution
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            9. Causes of soil pollution
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            10. Effects of soil pollution
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            11. Sound pollution
                        
                        
                         2 Minutes                        
                                            
                                    
                        
                            12. Causes of sound pollution
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            13. Effects of soil pollution
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            14. Green house effect
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            15. Causes of increasing green house gases in the atmosphere
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            16. Impacts of green house effect
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            17. Climate change
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            18. Causes of climate change
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            19. Effects of climate change
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            20. Acid rain
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            21. Causes and effects of acid rain
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            22. Control measures of acid rain
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            23. Disasters and its types
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            24. Measures of risk reduction and disaster management
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            25. Earthquake management and risk reduction
                        
                        
                         7 Minutes                        
                                            
                                    
                        
                            26. During an earthquake
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            27. Flood and landslide management and risk reduction
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            28. During flood and landslide
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            29. Before and after flood and landslide
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            30. Fire management and risk reduction
                        
                        
                        10 Minutes                        
                                            
                                    
                        
                            31. Management of epidemic and risk reduction
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            32. Environmental conservation
                        
                        
                         6 Minutes                        
                                            
                                    
                        
                            33. Involvement of national and International organiations in environmental consevation (National trust for nature conservation)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            34. International union for conservation of nature and natural resources(IUCN)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            35. Worldwide fund for nature (WWF)
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            36. United nations Environment Programme(UNEP) and International centre for Integrated Mountain Development (ICIMOD)
                        
                        
                         4 Minutes                        
                                            
                                                
                             
                                                        
                                
                                    
                                        CH-24 Environment and Sustainable development                                    
                                    
                                        
                                            6 Lessons                                        
                                        
                                            26m                                        
                                    
                                 
                                
                                                    
                        
                            1. Biodiversity
                        
                        
                         3 Minutes                        
                                            
                                    
                        
                            2. Ecological diversity
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            3. Taxonomic diversity
                        
                        
                         5 Minutes                        
                                            
                                    
                        
                            4. Morphological diversity
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            5. Principle of sustainable development
                        
                        
                         4 Minutes                        
                                            
                                    
                        
                            6. Importance of sustainable development
                        
                        
                         4 Minutes